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Finding the Fourth Proportional to 118,641.70, 177,960.48 and 29,893.24

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Solution

The fourth proportional to 118,641.70, 177,960.48 and 29,893.24 is: 44,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,641.70 : 177,960.48 = 29,893.24 : x
  2. Step 2: Convert to fraction form
    118,641.70/177,960.48 = 29,893.24/x
  3. Step 3: Cross multiply
    118,641.70x = 177,960.48 × 29,893.24
  4. Step 4: Simplify right side
    118,641.70x = 5,319,815,339.16
  5. Step 5: Solve for x
    x = 5,319,815,339.16/118,641.70
  6. Step 6: Final answer
    x = 44,839.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.